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PhysicsModern PhysicsPhotoelectric effectEasy2 minPYQ_2024

PhysicsEasystatement

UV light of $4.13 eV$ is incident on a photosensitive metal surface having work function $3.13 eV$ . The maximum kinetic energy of ejected photoelectrons will be:

Options:

Answer:

Solution:

$E_{photon} = (work function) + K \cdot E_{m a x} ∴ 4.13 = 3.13 + K \cdot E_{m a x} ∴ K_{max} = 1 eV$

Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect

⏱ 2mℹ️ Source: PYQ_2024

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